公开(公告)号：US20110070515A1

公开(公告)日：2011-03-24

申请号：US12795176

申请日：2010-06-07

Applicant: Dong Hun Lee ,  Seo Ho Choi ,  Sun Soon Park ,  Myoung Ho Sunwoo ,  Jung Hwan Ryu ,  Keon Yup Chu ,  Ki Chun Jo

Inventor： Dong Hun Lee ,  Seo Ho Choi ,  Sun Soon Park ,  Myoung Ho Sunwoo ,  Jung Hwan Ryu ,  Keon Yup Chu ,  Ki Chun Jo

IPC: H01M8/04

CPC classification number: H01M8/04029 ,  H01M8/04268 ,  H01M8/0432 ,  H01M8/04768

Abstract: The present invention provides a method for controlling the operation of a fuel cell system at low temperature that can suitably prevent flooding in a cathode of a fuel cell stack during low-temperature operation, thus improving the operation stability and durability of the fuel cell stack. In preferred embodiments, the present invention provides a method for controlling the operation of a fuel cell system at low temperature, the method comprising determining whether the temperature of a fuel cell stack reaches a normal temperature; calculating, when it is determined that the temperature of the fuel cell stack is lower than the normal temperature, a target temperature at a cathode outlet to maintain water present in a cathode of the fuel cell stack in a vapor phase based on information related to an operation state of the fuel cell stack detected by an operation state detection means; and calculating a target amount of coolant based on the calculated target temperature at the cathode outlet and the information related to the operation state of the fuel cell stack, and controlling the amount of coolant supplied to the fuel cell stack based on the calculated target amount of coolant.

Abstract translation: 本发明提供一种用于控制低温下的燃料电池系统的操作的方法，其可以在低温操作期间适当地防止燃料电池堆的阴极中的溢流，从而提高燃料电池堆的操作稳定性和耐久性。 在优选实施例中，本发明提供一种控制燃料电池系统在低温下运行的方法，该方法包括确定燃料电池堆的温度是否达到常温; 当确定燃料电池堆的温度低于正常温度时，计算出阴极出口处的目标温度，以维持燃料电池堆的阴极中存在于气相中的水，基于与 由操作状态检测装置检测的燃料电池堆的操作状态; 基于计算出的阴极出口的目标温度和与燃料电池堆的运转状态有关的信息，计算出目标冷量的量，根据计算出的燃料电池堆的计算出的目标量， 冷却液

公开(公告)号：US20100327772A1

公开(公告)日：2010-12-30

申请号：US12825445

申请日：2010-06-29

Applicant: Dong-Hun LEE ,  Dong-Hee Kim ,  Kyung-Goo Lee ,  Seok-Mun Choi

Inventor： Dong-Hun LEE ,  Dong-Hee Kim ,  Kyung-Goo Lee ,  Seok-Mun Choi

IPC: H05B41/36

CPC classification number: H05B33/0818 ,  H05B33/0827 ,  Y02B20/347

Abstract: A control device and an LED light emitting device using the same are provided and technology of providing a high contrast ratio to the LED light emitting device and allowing the LED light emitting device to perform a stable operation is disclosed. The LED light emitting device includes a DC/DC converter reference voltage generator that generates a DC/DC converter reference voltage so that a minimum level of a channel voltage having a largest LED voltage drop agrees with a predetermined minimum reference voltage by detecting a plurality of channel voltages corresponding to LED voltage drops of each of a plurality of LED channels LED and an output voltage controller that controls an output voltage of the DC/DC converter using a distribution voltage corresponding to an output voltage and the DC/DC converter reference voltage.

Abstract translation: 提供了一种控制装置和使用其的LED发光装置，并且公开了向LED发光装置提供高对比度并允许LED发光装置执行稳定操作的技术。 LED发光装置包括DC / DC转换器参考电压发生器，其产生DC / DC转换器参考电压，使得具有最大LED电压降的通道电压的最小电平与预定的最小参考电压一致，通过检测多个 对应于多个LED通道LED中的每一个的LED电压降的通道电压以及使用对应于输出电压和DC / DC转换器参考电压的分配电压来控制DC / DC转换器的输出电压的输出电压控制器。

公开(公告)号：US20100177220A1

公开(公告)日：2010-07-15

申请号：US12656008

申请日：2010-01-13

Applicant: Min Ho Kwon ,  Seog Heon Ham ,  Dong Hun Lee ,  Kwi Sung Yoo ,  Wun-Ki Jung

Inventor： Min Ho Kwon ,  Seog Heon Ham ,  Dong Hun Lee ,  Kwi Sung Yoo ,  Wun-Ki Jung

IPC: H04N5/217

CPC classification number: H04N5/3658 ,  H04N5/378

Abstract: An image sensor comprises a plurality of pixel units connected to a column line, a signal process circuit configured to process a signal output from the column line according to a switching operation, and a kick-back noise blocking circuit configured to reduce kick-back noise caused by the switching operation. Each of the pixel units includes a photoelectric conversion element. The kick-back noise blocking circuit is connected between the column line and the signal process circuit.

Abstract translation: 图像传感器包括连接到列线的多个像素单元，信号处理电路，被配置为根据切换操作处理从列线输出的信号;以及反冲噪声阻断电路，被配置为减少反射噪声 由开关操作引起。 每个像素单元包括光电转换元件。 反射噪声阻断电路连接在列线和信号处理电路之间。

公开(公告)号：US07754164B2

公开(公告)日：2010-07-13

申请号：US11092538

申请日：2005-03-28

Applicant: Dong-Hun Lee

Inventor： Dong-Hun Lee

IPC: B01J8/02 ,  B32B3/12

CPC classification number: H01M8/04022 ,  H01M8/0612

Abstract: A reformer for a fuel cell system includes a reforming portion for converting fuel containing hydrogen into hydrogen-rich gas; and an adiabatic portion entirely covering the reforming portion, the adiabatic portion being composed of first and second adiabatic layers arranged opposing each other with at least one spacer interposed between the first and second adiabatic layers. As such, the fuel cell system has an effect of enhancing the adiabatic performance of a thermal reaction for producing reforming gas and distributing thermal residence stress uniformly on the surface of the reformer.

Abstract translation: 一种用于燃料电池系统的重整器包括：用于将含氢气的燃料转化为富氢气体的重整部分; 和绝热部分，其完全覆盖重整部分，绝热部分由彼此相对布置的第一和第二绝热层与置于第一绝热层和第二绝热层之间的至少一个间隔件组成。 因此，燃料电池系统具有提高用于生成重整气体的热反应的绝热性能并且将热停留应力均匀地分布在重整器的表面上的效果。

公开(公告)号：US20100158524A1

公开(公告)日：2010-06-24

申请号：US12543031

申请日：2009-08-18

Applicant: Oh-Kee KWON ,  Yongsoon Baek ,  Chul-Wook Lee ,  Jong-Hoi Kim ,  Eundeok Sim ,  Dong-Hun Lee

Inventor： Oh-Kee KWON ,  Yongsoon Baek ,  Chul-Wook Lee ,  Jong-Hoi Kim ,  Eundeok Sim ,  Dong-Hun Lee

IPC: H04J14/00 ,  G02B6/34 ,  H04B10/00

CPC classification number: G02B6/124 ,  G02B6/02095 ,  G02B6/29394 ,  H01S5/1215 ,  H01S5/125 ,  H01S5/5045 ,  H04B10/25137 ,  H04B10/2587 ,  H04B10/272 ,  H04J14/02 ,  H04J14/0246 ,  H04J14/0252 ,  H04J14/0282 ,  H04J2014/0253

Abstract: Provided is an upstream source light generator of a passive optical network (PON) system. The upstream source light generator includes an amplification part configured to amplify injection light, and a reflection part configured to receive the amplified injection light and generate reflection light by reflecting the amplified injection light with different optical delays according to wavelengths of the amplified injection light.

Abstract translation: 提供了一种无源光网络（PON）系统的上游源光发生器。 上游源光发生器包括被配置为放大注入光的放大部分，以及被配置为通过根据放大的注入光的波长反射具有不同的光学延迟的放大的注入光来接收放大的注入光并产生反射光的反射部。

公开(公告)号：US20100019688A1

公开(公告)日：2010-01-28

申请号：US12510511

申请日：2009-07-28

Applicant: Jae-Soon Choi ,  Dong-Hun Lee ,  Hak-Hee Lee

Inventor： Jae-Soon Choi ,  Dong-Hun Lee ,  Hak-Hee Lee

IPC: H05B41/36

CPC classification number: H05B41/2828 ,  H05B41/2824 ,  Y02B20/186

Abstract: The present invention relates to an inverter and a lamp driver having the same. The inverter includes a first switch having a first body diode, a second switch having a second body diode, a transformer including a first side coil in which a first current and a first voltage are generated according to switching operations of the first switch and the second switch and a second side coil having a predetermined winding ratio with respect to the first side coil, and a controller for controlling each switching operation of the first switch and the second switch. The controller turns on one of the first switch and the second switch corresponding to one of the first body diode and the second body diode, and a current flows through the first switch and the second switch during a dead time.

Abstract translation: 本发明涉及一种逆变器及具有该逆变器的灯驱动器。 逆变器包括具有第一体二极管的第一开关，具有第二体二极管的第二开关，包括第一侧线圈的变压器，其中根据第一开关和第二开关的开关操作产生第一电流和第一电压 开关和相对于第一侧线圈具有预定的卷绕比的第二侧线圈，以及用于控制第一开关和第二开关的每个切换操作的控制器。 控制器接通与第一体二极管和第二体二极管中的一个相对应的第一开关和第二开关中的一个，并且在死区时间内电流流过第一开关和第二开关。

公开(公告)号：US20090154923A1

公开(公告)日：2009-06-18

申请号：US12208560

申请日：2008-09-11

Applicant: Oh Kee KWON ,  Yong Soon Baek ,  Jang Uk Shin ,  Young Tak Han ,  Dong Hun Lee ,  Chul Wook Lee ,  Eun Deok Sim ,  Jong Hoi Kim ,  Sang Pil Han ,  Sang Ho Park

Inventor： Oh Kee KWON ,  Yong Soon Baek ,  Jang Uk Shin ,  Young Tak Han ,  Dong Hun Lee ,  Chul Wook Lee ,  Eun Deok Sim ,  Jong Hoi Kim ,  Sang Pil Han ,  Sang Ho Park

IPC: H04J14/02

CPC classification number: G02B6/12019 ,  G02B6/356 ,  H04J14/0212 ,  H04J14/0221 ,  H04Q11/0005 ,  H04Q2011/0011 ,  H04Q2011/0016 ,  H04Q2011/0024 ,  H04Q2011/0026

Abstract: Provided is a wavelength selective switch (WSS), and more particularly, a wavelength selective switch for electrically switching a wavelength without physical displacement. The wavelength selective switch includes an optical demultiplexer for dividing an input optical signal into signals having wavelengths corresponding to respective channels, selecting either the optical signal of each channel obtained by dividing the input optical signal or an optical signal input via an add port, and outputting the selected optical signal; and an optical multiplexer including an optical deflecting unit for individually deflecting the optical signals of the respective channels received from the optical demultiplexer according to supplied current or applied voltage, wherein the optical signal of each channel deflected by the optical deflecting unit is output to a specific output port. In the wavelength selective switch, current is supplied to the optical deflectors to switch the channels, resulting in higher reliability, smaller volume and higher switching speed than a conventional wavelength selective switch using mechanical displacement to switch channels.

Abstract translation: 提供了一种波长选择开关（WSS），更具体地说，提供一种用于电气切换没有物理位移的波长的波长选择开关。 波长选择开关包括：光分路器，用于将输入光信号分成具有对应于各个通道的波长的信号，选择通过分频输入光信号或通过添加端口输入的光信号获得的每个通道的光信号，并输出 所选择的光信号; 以及光复用器，其包括光偏转单元，用于根据所提供的电流或施加电压单独地偏转从光解复用器接收的各通道的光信号，其中由光偏转单元偏转的每个通道的光信号被输出到特定 输出端口 在波长选择开关中，电流被提供给光偏转器以切换通道，导致比使用机械位移切换通道的常规波长选择开关更高的可靠性，更小的体积和更高的开关速度。

公开(公告)号：US20090153711A1

公开(公告)日：2009-06-18

申请号：US12314512

申请日：2008-12-11

Applicant: Dong Hun Lee

Inventor： Dong Hun Lee

IPC: H04N5/335

CPC classification number: H04N5/378 ,  H04N5/3415 ,  H04N5/3742

Abstract: A The CMOS image sensor includes a pixel array including pixels arranged in a matrix of rows and columns and a row selection unit configured to generate selection signals for simultaneously or concurrently selecting at least two rows from the rows of the pixel array in response to a received row address. An analog-to-digital conversion unit is configured to convert pixel data output from the at least two rows selected from the pixel array into a digital video signal and output the digital video signal. The pixel array outputs the pixel data in response to the selection signals.

Abstract translation: A CMOS图像传感器包括像素阵列，其包括以行和列的矩阵排列的像素，以及行选择单元，其被配置为响应于所接收的像素阵列生成用于同时或并行地从像素阵列的行中选择至少两行的选择信号 行地址。 模数转换单元被配置为将从像素阵列中选择的至少两行输出的像素数据转换为数字视频信号并输出​​数字视频信号。 像素阵列响应于选择信号输出像素数据。

公开(公告)号：US07514170B2

公开(公告)日：2009-04-07

申请号：US11041986

申请日：2005-01-26

Applicant: Seong-Jin An ,  Ho-Jin Kweon ,  Hyoung-Juhn Kim ,  Ju-Yong Kim ,  Yeong-Chan Eun ,  Sung-Yong Cho ,  Dong-Hun Lee

Inventor： Seong-Jin An ,  Ho-Jin Kweon ,  Hyoung-Juhn Kim ,  Ju-Yong Kim ,  Yeong-Chan Eun ,  Sung-Yong Cho ,  Dong-Hun Lee

IPC: H01M8/04 ,  H01M8/02

CPC classification number: H01M8/04074 ,  H01M8/0267 ,  H01M8/04014 ,  H01M8/04141 ,  H01M8/04201 ,  H01M8/0612 ,  H01M8/1011 ,  H01M8/241 ,  H01M8/2455 ,  H01M8/247 ,  H01M8/2475 ,  H01M8/2483 ,  H01M8/2484 ,  H01M2008/1095 ,  Y02E60/523

Abstract: A fuel cell system includes a stack having an electricity generator for receiving fuel and air to generate electrical energy, a fuel supply unit for supplying the fuel to the stack, a housing in which the stack is mounted, a fan unit for supplying external air to the interior of the housing for cooling the electricity generator, and a region wherein air heated while cooling the electricity generator and air discharged from the stack and containing moisture are mixed. The air that is mixed in the region is discharged from the region.

Abstract translation: 燃料电池系统包括具有用于接收燃料和空气以产生电能的发电机的堆叠体，用于将燃料供应到堆叠的燃料供应单元，其中安装有堆叠的壳体，用于向外部空气供应的风扇单元 用于冷却发电机的壳体的内部，以及在冷却发电机的同时加热空气并且从堆叠排出并含有水分的空气混合的区域。 该区域内混合的空气从该区域排出。

公开(公告)号：US20090034285A1

公开(公告)日：2009-02-05

申请号：US12183691

申请日：2008-07-31

Applicant: Dong Hun LEE ,  Gyung Mo Tahk ,  Hyun Surk Kim ,  Kyung Rok Kim

Inventor： Dong Hun LEE ,  Gyung Mo Tahk ,  Hyun Surk Kim ,  Kyung Rok Kim

IPC: F21V8/00

CPC classification number: H04N1/02815 ,  G02B3/06 ,  G02B7/02 ,  H04N1/0282 ,  H04N1/02835 ,  H04N1/0313 ,  H04N1/1017 ,  H04N2201/03112 ,  H04N2201/03129 ,  H04N2201/03133 ,  H04N2201/03137

Abstract: A scanner module and an image scanning apparatus employ an illuminator that includes at least one light emitting diode, a light guide to change the direction of the light from the light emitting diode, and a light source holder to which the light emitting diode is mounted, the light source holder being positioned in relation to the light guide such that the light source holder covers an incidence face of the light guide, on which the light from the light source is incident, the surface of light source holder facing the incidence face reflecting light incident thereupon. The reflection of light by the light source holder reduces the possibility of leakage of light, and can enhance luminous intensity of light of the illuminator.

Abstract translation: 扫描器模块和图像扫描装置采用照明器，该照明器包括至少一个发光二极管，用于改变来自发光二极管的光的方向的光导，以及安装有发光二极管的光源保持器， 光源保持器相对于光导定位，使得光源保持器覆盖光源的入射面，来自光源的光入射在其上，光源保持器的面对入射面的表面反射光 事件随之而来 由光源支架反射的光降低了光的泄漏的可能性，并且可以增强照明器的光的发光强度。